Results 31 to 40 of about 2,758,549 (147)

Distribution of 226Ra and 210Po Radionuclides in Different Phases of Soil and Estimation of Their Annual Change Rates for Some Agricultural Soils

open access: yesApplied and Environmental Soil Science
Human activities, such as plant cultivation, enhance the activity concentrations (ACs) of radionuclides in the topsoil and have the potential to affect humans and the environment.
Van Thang Nguyen, Cong Hao Le
doaj   +1 more source

Extraction Method for Multiple Feature Models of the Magnetic Field from Marine Targets

open access: yes水下无人系统学报
Maritime targets cause distortions in the surrounding magnetic field, forming the target’s magnetic field signature. This signature is widely used in target detection and ship stealth. To address the issue of multi-modal feature extraction for the target’
Hao DONG, Yu ZHANG, Wei QIN, Shuai CHEN
doaj   +1 more source

Desarrollo y acumulación de Ulva spp. en la costa de la Bretaña francesa: por una necesaria reorientación de las investigaciones

open access: yesRecursos Rurais, 2013
Durante décadas, las investigaciones desarrolladas sobre la proliferación de Ulva en Bretaña han postulado la hipótesis de que los flujos de nitrógeno vertidos al mar por los cursos de agua en el mes de junio son los responsables del desarrollo de estas ...
Christian Buson   +3 more
doaj   +1 more source

Synthesis, activity evaluation, and pro-apoptotic properties of novel 1,2,4-triazol-3-amine derivatives as potent anti-lung cancer agents

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2019
In this study, a series of 4,5-bis(substituted phenyl)-4H-1,2,4-triazol-3-amine compounds was designed, synthesised, and evaluated to determine their potential as anti-lung cancer agents.
Xian-yu Sun   +6 more
doaj   +1 more source

Diagnostic analysis of a rare rainfall/snowfall and freezing process in Henan in early February 2024

open access: yes暴雨灾害
From 31 January to 5 February, 2024, Henan Province experienced a rare freezing rain and snow process characterized by a long duration,substantial cumulative precipitation,significant snow depth,low temperatures,and complex precipitation phases.Based on ...
Xiujie GU   +5 more
doaj   +1 more source

Research on objective forecast method of thunderstorm potential based on probability and weight

open access: yes暴雨灾害, 2020
Based on NCEP reanalysis data and the observation data of thunderstorms at national and regional stations from May to August between 2007 and 2015, using the method combining weights and probability statistics, the physical quantities that are closely ...
Xiaona Lü   +3 more
doaj   +1 more source

Genome-wide identification and analysis of the COI gene family in wheat (Triticum aestivum L.)

open access: yesBMC Genomics, 2018
Background COI (CORONATINE INSENSITIVE), an F-box component of the Skp1-Cullin-F-box protein (SCFCOI1) ubiquitin E3 ligase, plays important roles in the regulation of plant growth and development.
Jian-fang Bai   +11 more
doaj   +1 more source

Determination of Carbon in Ni-Al Powder by the Pure Chemical Substance Calibration-high Frequency Combustion Infrared Absorption Method

open access: yesYankuang ceshi, 2014
The carbon in Ni-based powder directly influences the property of the material. However, there is no national standard method to determine carbon content in Ni-based powder, according to the wide content range of carbon, different interferences and ...
ZHANG Yong   +6 more
doaj   +2 more sources

Research on virtual memory system based on ARMv7-A architecture

open access: yesDianzi Jishu Yingyong, 2018
As the development trend of integrated, intelligent and low power application in embedded systems, ARM series processors have been widely used in recent years.
Cao Pengpeng, Chen Jia, Zhang Shaofeng
doaj   +1 more source

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